AN AUTOMATIC ALGORITHM BASED ON ANGULAR HISTOGRAM FOR AN CORREGISTARTION OF SYNTHETIC APERTURE RADAR IMAGES

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SHAH HOSSEINI REZA; ESMAEILI MOSTAFA; SAFARI ABDOREZA; HOMAYOUNI SAID; AMINI JALAL; EZZATABADIPOUR HAMID

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Journal: ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY Year:2015 | Volume:2 | Issue:4 Page(s): 53-75

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Title

AN AUTOMATIC ALGORITHM BASED ON ANGULAR HISTOGRAM FOR AN CORREGISTARTION OF SYNTHETIC APERTURE RADAR IMAGES

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Keywords

CORREGISTRATIONQ2

SYNTHETIC APERTURE RADARQ2

FEATURE BASED METHODQ2

HARRIS OPERATORQ2

CROSS-CORRELATIONQ2

Abstract

Coregistration of optical and radar imageries is a major pre-processing step in many remote sensing applications including change detection and interferometric processing. Specially, the coregistration faced more difficulties in radar imageries due to the high noise level and intense spatial-temporal decorrelation. Hence, non-automatic coregistration methods are much more time consuming and inefficient. Because, the probable geometrical and temporal (signal-target interaction) differences between two acquisitions (i.e, master and slave) caused spectral shifts between corresponding pixels. In this case, using grid points as a tie in the coregistration process drastically reduces the reliability of the process while use of the corner points in the images could solve the problem. To resolve this problem, an automatic algorithm based on angular histogram was proposed for coregistration of SYNTHETIC APERTURE RADAR (SAR) imageries that have taken in different height, time and situation. This method automatically extracted the corners from the slave and master images and used these points as nodal points. However, unlike conventional methods, there is no need to perform the image matching process. The coregistration RMSE value for three case studies related to the Radarsat-2 imageries of Batala area, India, Radarsat-2 imageries of Sendai region, Japan and TerraSAR-X imageries in Sendai region, were 0.29, 0.35 and 0.43, respectively. Comparison of the proposed coregistration method with cubic convolution (CCI) interpolation based coregistration method showed that the accuracy of the proposed method was improved to 5%, 5% and 9% for three datasets, respectively. The results indicated high efficiency and accuracy of the proposed algorithm. Moreover, the proposed algorithm illustrates the high performance in the case that the angle and scale between the master and slave images are relatively large.

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APA: Copy

SHAH HOSSEINI, REZA, ESMAEILI, MOSTAFA, SAFARI, ABDOREZA, HOMAYOUNI, SAID, AMINI, JALAL, & EZZATABADIPOUR, HAMID. (2015). AN AUTOMATIC ALGORITHM BASED ON ANGULAR HISTOGRAM FOR AN CORREGISTARTION OF SYNTHETIC APERTURE RADAR IMAGES. ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY, 2(4), 53-75. SID. https://sid.ir/paper/230038/en

Vancouver: Copy

SHAH HOSSEINI REZA, ESMAEILI MOSTAFA, SAFARI ABDOREZA, HOMAYOUNI SAID, AMINI JALAL, EZZATABADIPOUR HAMID. AN AUTOMATIC ALGORITHM BASED ON ANGULAR HISTOGRAM FOR AN CORREGISTARTION OF SYNTHETIC APERTURE RADAR IMAGES. ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY[Internet]. 2015;2(4):53-75. Available from: https://sid.ir/paper/230038/en

IEEE: Copy

REZA SHAH HOSSEINI, MOSTAFA ESMAEILI, ABDOREZA SAFARI, SAID HOMAYOUNI, JALAL AMINI, and HAMID EZZATABADIPOUR, “AN AUTOMATIC ALGORITHM BASED ON ANGULAR HISTOGRAM FOR AN CORREGISTARTION OF SYNTHETIC APERTURE RADAR IMAGES,” ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY, vol. 2, no. 4, pp. 53–75, 2015, [Online]. Available: https://sid.ir/paper/230038/en

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